<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
<title></title>
</head>
<body>
<script type="text/javascript">
    function openWin(){
        window.open('demo.html','','height=181,width=561');
    }
</script>
<input type="button" value="打开窗口" onclick="openWin()" />
</body>
</html>
